New review comment by jcgruenhage on void-packages repository

https://github.com/void-linux/void-packages/pull/38037#discussion_r919999439

Comment:
I'd like to use vsed here, but doing so means I can't use a regex here so I'd have to write

```
, ENV{ID_SMARTCARD_READER}="1", ENV{ID_SMARTCARD_READER_DRIVER}="gnupg"
```
instead of 
```
(, ENV\{.+\}=\".+\")+$
```